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Fix spurious double-register instantiation in emulated batch_bool - #1454
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…ue ctors The unconstrained kernel::set dispatch in emulated batch_bool value ctors instantiated an unrelated batch<double, emulated<96>> register. Emulated array registers are now filled directly (is_emulated_arch<A>), so no foreign register type is instantiated. Assisted-by: Qwen3.8-27B-FP8
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Kind of a wierd edge case but I am working on interpoperability with std-simd to allow for support for other archs that we do not support (optin) and this is the only edge case I hit.
Otherwise we are interoperable.
g++-16 -std=c++17 -O2 -DXSIMD_WITH_EMULATED=1 -I upstream/include repro.cpp